| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 670 |
55.8%
|
| 1 | Only once | 86 |
7.2%
|
| 2 | A few times | 258 |
21.5%
|
| 3 | Often | 180 |
15%
|
| 9 | Don't know | 6 |
0.5%
|
| 98 | Refused | 0 |
0%
|